205122070

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{130651}}^1$

素因数の和:130815

約数の個数: 16

約数和(自身を含む): 371574288

約数和(自身を除く): 166452218

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 130651, 261302, 653255, 1306510, 20512207, 41024414, 102561035, 205122070]

約数ペア:

[(1, 205122070), (2, 102561035), (5, 41024414), (10, 20512207), (157, 1306510), (314, 653255), (785, 261302), (1570, 130651)]